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GS
GS Set-1
Chemistry
Organic Chemistry
33

Organic Chemistry MCQ with Answers

33) The optical isomerism is shown by:

Oxalic acid

Benzoic acid

Acetic acid

Lactic acid

Answer is:

Lactic acid

Explanation:

Structure of lactic acid is chiral.

Organic Chemistry MCQ with Answers

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Related Organic Chemistry MCQ with Answers

34) The number of isomeric pentyl alcohols possible are:

2

4

6

8

Answer is:

8

35) An enantiomerically pure acid is treated with a racemic mixture of an alcohol having 1 chiral carbon. The ester formed will be:

Optically active mixture

Pure enantiomer

Meso compound

Racemic mixture

Answer is:

Optically active mixture

36) A similarity between optical and geometrical isomerism is:

Each forms equal number of isomers for a given compound

If in a compound, one is present, then so is the other

Both are included in stereoisomerism

They have no similarity

Answer is:

Both are included in stereoisomerism

Explanation:

Both are the types of stereoisomerism.

37) The number of stereoisomers possible for a compound of the molecular formula CH₃ − CH = CH − CH(OH) − Me is:

3

2

4

6

Answer is:

4

Explanation:

The given compound has a C=C group and a chiral carbon.

Organic Chemistry MCQ with Answers

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